CVE-2020-25757
moderate-risk
Published 2020-12-15
A lack of input validation and access controls in Lua CGIs on D-Link DSR VPN routers may result in arbitrary input being passed to system command APIs, resulting in arbitrary command execution with root privileges. This affects DSR-150, DSR-250, DSR-500, and DSR-1000AC with firmware 3.14 and 3.17.
Do I need to act?
-
0.52% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10
High
ADJACENT_NETWORK
/ LOW complexity
Affected Products (10)
Dsr-500N Firmware
Dsr-500Ac Firmware
Dsr-1000 Firmware
Dsr-1000Ac Firmware
Affected Vendors
References (6)
Third Party Advisory
https://www.digitaldefense.com/news/zero-day-vuln-d-link-vpn-routers/
Vendor Advisory
https://www.dlink.com/en/security-bulletin
Third Party Advisory
https://www.digitaldefense.com/news/zero-day-vuln-d-link-vpn-routers/
Vendor Advisory
https://www.dlink.com/en/security-bulletin
45
/ 100
moderate-risk
Severity
27/34 · High
Exploitability
2/34 · Minimal
Exposure
16/34 · Moderate